diff --git a/.vale.ini b/.vale.ini
index 872d1fc1d8..adf379d5a1 100644
--- a/.vale.ini
+++ b/.vale.ini
@@ -8,7 +8,7 @@ SkippedScopes = script
 
 Packages = proselint, write-good, Google
 
-[*{.markerb,md}]
+[*.{md,mdx,markerb}]
 BasedOnStyles = Fly, Google, proselint, Vale, write-good
 
 # Fly rules that we can turn back on when other things get cleaned up
@@ -18,6 +18,7 @@ Fly.Latin = NO
 Fly.Machine = NO # we can do an initial search and replace and then this rule will be less noisy and more useful
 Fly.OxfordComma = NO
 Fly.SentenceLength = NO # turn on later; then reduce further?
+Fly.Spelling = NO # off until the vocabulary covers MDX pages: 369 unflagged-before terms, mostly product and tool names
 Fly.Us = NO
 
 # other style stuff turned off temporarily
@@ -79,3 +80,4 @@ Vale.Terms = NO # noisy false positives: enforces vocab-term casing even inside
 
 [formats]
 markerb = md # maps our markerb file extension to md for linting
+mdx = md # Mintlify pages are MDX; parse them as Markdown